DM9081 查看數據表（PDF） - Unspecified

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DM9081

10BASE-T Hub Controller

Unspecified 

Layout Recommendation

Decoupling

The DM9081 contains both analog and digital elements.

Separate power pins are provided for the analog sections,

the digital portion of TP line drivers, the TP line drivers,

and the digital core logic. Care should be taken in board

design to minimize coupling of noise from the power

DM9081

supply and digital logic to the analog power pins.

Decoupling capacitors should be placed as close to the

appropriate VDD and GND pins as possible. Figure 7

shows the recommended decoupling values for the

DM9081 chip.

Figure 7. DM9081 Device Power Supply Decouping Recommendations

Final

19

Version: DM9081-DS-F01

April 22, 1997

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